24AA04SC-I/W16K

Product Overview

Category

The 24AA04SC-I/W16K belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Electrically erasable: The 24AA04SC-I/W16K allows for easy erasure and reprogramming of data without requiring physical removal.
• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: This chip has a storage capacity of 4 kilobits (512 bytes).
• Low power consumption: The 24AA04SC-I/W16K operates on low power, making it suitable for battery-powered devices.
• Wide operating voltage range: It can function within a voltage range of 1.7V to 5.5V.
• I2C interface: The chip communicates using the widely adopted I2C protocol.

Package and Quantity

The 24AA04SC-I/W16K is available in a small surface-mount package (SOIC-8). It is typically sold in reels containing multiple units.

Specifications

• Storage capacity: 4 kilobits (512 bytes)
• Operating voltage range: 1.7V to 5.5V
• Interface: I2C
• Package type: SOIC-8

Pin Configuration

The chip has eight pins arranged as follows:

```

---

| | | 24AA | | | |___________|

Pin Configuration:

    1  2
  ___________
 |           |

8 | | 3 | | |___________|

    7  6  5  4

```

1. VCC: Power supply voltage
2. SDA: Serial data line (I2C)
3. SCL: Serial clock line (I2C)
4. WP: Write-protect pin
5. A0: Address bit 0
6. A1: Address bit 1
7. GND: Ground
8. NC: No connection

Functional Features

• Byte-level read and write operations: The 24AA04SC-I/W16K allows individual bytes to be read from or written to the memory.
• Sequential read mode: It supports sequential reading of multiple bytes, reducing the number of I2C transactions required.
• Write protection: The chip includes a write-protect pin (WP) that can be used to prevent accidental modification of stored data.

Advantages

• Easy reprogramming: The electrically erasable nature of the chip enables convenient updates to stored data.
• Non-volatile storage: Data remains intact even during power loss or device shutdown.
• Low power consumption: The chip operates on low power, making it suitable for energy-efficient applications.
• Compact package: The small form factor of the SOIC-8 package allows for space-saving integration into various electronic devices.

Disadvantages

• Limited storage capacity: With a capacity of 4 kilobits, the chip may not be sufficient for applications requiring larger amounts of data storage.
• Relatively slow write speed: EEPROMs generally have slower write speeds compared to other memory technologies.

Working Principles

The 24AA04SC-I/W16K utilizes an array of floating-gate transistors to store data. When programming, an electrical charge is applied to the floating gate, altering its threshold voltage and allowing data to be stored. Erasing is achieved by removing the charge from the floating gate.

Detailed Application Field Plans

The 24AA04SC-I/W16K finds applications in various fields, including: - Microcontroller-based systems - Industrial automation - Automotive electronics - Consumer electronics - Medical devices

Alternative Models

Other EEPROM chips with similar functionality and capacity include: - 24LC04B - AT24C04 - CAT24C04

These alternative models can be considered based on specific requirements and compatibility with existing designs.

In conclusion, the 24AA04SC-I/W16K is a versatile EEPROM chip that offers easy reprogramming, non-volatile storage, and low power consumption. While it has limitations in terms of storage capacity and write speed, it finds applications in diverse fields and has alternative models available for consideration.